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Schematic (A) and angiography (B) images during transarterial chemoembolization (TACE) through a microcatheter positioned selectively in a tumour-feeding branch of the hepatic artery. The angiography image demonstrates lipiodol accumulation in the hepatocellular cancer tumour (a), stagnant blood flow in the feeding arterial branch (b), and peritumoral portal lipiodol enhancement (c).
